He was admitted to the Quaker school; but his family left to avoid the fighting in American Revolutionary War, and his education was mostly at Pottstown, Pennsylvania.
Acting on the advice of Mr. Bembridge, a relative and fellow-student of Benjamin West, he went to London, and pursued artistic studies for two years in the Royal Academy.
[1] He died in Gee Street, Clarendon Square, London, on 5 April 1815, leaving his mother and wife unprovided for.
[1] Malcolm's major work was Londinium Redivivum, or an Antient History and Modern Description of London, compiled from Parochial Records, Archives of various Foundations, the Harleian MSS.
It was a parochial history compiled from original records, such as vestry-books, churchwardens' accounts, and parish registers.